Finding the Fourth Proportional to 1,867.56, 2,577.69 and 1,447.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,867.56 : 2,577.69 = 1,447.08 : x
2. Step 2: Convert to fraction form
   1,867.56/2,577.69 = 1,447.08/x
3. Step 3: Cross multiply
   1,867.56x = 2,577.69 × 1,447.08
4. Step 4: Simplify right side
   1,867.56x = 3,730,123.65
5. Step 5: Solve for x
   x = 3,730,123.65/1,867.56
6. Step 6: Final answer
   x = 1,997.32